Slim can be used as an adjective and a verb.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
"Thin" can be both an adjective and a verb. As an adjective, it describes something that has little thickness or is slim. As a verb, it means to make something less thick or less dense.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "breezy" is an adjective.
The part of speech for "buried" is a verb.